11110221222209 has 2 divisors, whose sum is σ = 11110221222210. Its totient is φ = 11110221222208.

The previous prime is 11110221222197. The next prime is 11110221222251. The reversal of 11110221222209 is 90222212201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11110035581584 + 185640625 = 3333172^2 + 13625^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110221222209 - 2⁴ = 11110221222193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110221222409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555110611104 + 5555110611105.

It is an arithmetic number, because the mean of its divisors is an integer number (5555110611105).

Almost surely, 2^{11110221222209} is an apocalyptic number.

It is an amenable number.

11110221222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110221222209 is an equidigital number, since it uses as much as digits as its factorization.

11110221222209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 11110221222209 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred nine".